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target/arm: Provide ARMv8.4-PMU in '-cpu max' 

Set the ID register bits to provide ARMv8.4-PMU (and implicitly
also ARMv8.1-PMU) in the 'max' CPU.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 20200214175116.9164-16-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2020-02-14 17:51:10 +00:00
parent 15dd1ebda4
commit 3bec78447a
1 changed files with 8 additions and 0 deletions
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8
target/arm/cpu64.c
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@ -703,6 +703,14 @@ static void aarch64_max_initfn(Object *obj)
u = FIELD_DP32(u, ID_MMFR3, PAN, 2); /* ATS1E1 */
cpu->id_mmfr3 = u;
u = cpu->isar.id_aa64dfr0;
u = FIELD_DP64(u, ID_AA64DFR0, PMUVER, 5); /* v8.4-PMU */
cpu->isar.id_aa64dfr0 = u;
u = cpu->isar.id_dfr0;
u = FIELD_DP32(u, ID_DFR0, PERFMON, 5); /* v8.4-PMU */
cpu->isar.id_dfr0 = u;
/*
* FIXME: We do not yet support ARMv8.2-fp16 for AArch32 yet,
* so do not set MVFR1.FPHP. Strictly speaking this is not legal,